Toyota Highlander Service Manual: Emission control system (2AZ-FE)

Emission control

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Location

SYSTEM DIAGRAM The emission control system is determined by the ECM based on signals from various sensors. ...

More about Toyota Highlander:

On-vehicle inspection
1. CONNECT HAND-HELD TESTER: (a) Connect the hand-held tester to the DLC3. (b) Start the engine and run at idle. (c) Select the ACTIVE TEST mode on the hand-held tester. HINT: Please refer to the hand-held tester operator's manual for further details. 2. INSPECT ACTUATOR MOTOR OPERATION ...